Home / 11,015.56-16,526.04-5,165.35

Finding the Fourth Proportional to 11,015.56, 16,526.04 and 5,165.35

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Solution

The fourth proportional to 11,015.56, 16,526.04 and 5,165.35 is: 7,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.56 : 16,526.04 = 5,165.35 : x
  2. Step 2: Convert to fraction form
    11,015.56/16,526.04 = 5,165.35/x
  3. Step 3: Cross multiply
    11,015.56x = 16,526.04 × 5,165.35
  4. Step 4: Simplify right side
    11,015.56x = 85,362,780.71
  5. Step 5: Solve for x
    x = 85,362,780.71/11,015.56
  6. Step 6: Final answer
    x = 7,749.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.